Home / 45,415.49-68,127.86-17,359.15

Finding the Fourth Proportional to 45,415.49, 68,127.86 and 17,359.15

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Solution

The fourth proportional to 45,415.49, 68,127.86 and 17,359.15 is: 26,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.49 : 68,127.86 = 17,359.15 : x
  2. Step 2: Convert to fraction form
    45,415.49/68,127.86 = 17,359.15/x
  3. Step 3: Cross multiply
    45,415.49x = 68,127.86 × 17,359.15
  4. Step 4: Simplify right side
    45,415.49x = 1,182,641,869.48
  5. Step 5: Solve for x
    x = 1,182,641,869.48/45,415.49
  6. Step 6: Final answer
    x = 26,040.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.